a{
  /* 取消超链接的下划线 */
  text-decoration:none;
}

li{
  /* 取消列表样式 */
  list-style:none;
}

img{
  height:300px;
  width: 500px;
}

/* .App {
  text-align: center;
}

.App-logo {
  height: 40vmin;
  pointer-events: none;
}

@media (prefers-reduced-motion: no-preference) {
  .App-logo {
    animation: App-logo-spin infinite 20s linear;
  }
}

@keyframes App-logo-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
} */
